diff --git a/common.py b/common.py
index 6c3b7eb..009f10e 100644
--- a/common.py
+++ b/common.py
@@ -14,14 +14,10 @@
 from email.parser import BytesParser, Parser
 from email.policy import default
 
-from bs4 import BeautifulSoup
-
-from markdown2 import Markdown
 
 from datetime import datetime
-from pytz import timezone
 
-from html2txt import converters
+
 
 import hashlib
 
@@ -119,6 +115,7 @@ def create_message_id(id_=None):
     return ("<%s>@mail.gmail.com" % (id_,))
 
 def text_to_markdown(data):
+  from markdown2 import Markdown
   pattern = (
     r'((([A-Za-z]{3,9}:(?:\/\/)?)'  # scheme
     r'(?:[\-;:&=\+\$,\w]+@)?[A-Za-z0-9\.\-]+(:\[0-9]+)?'  # user@hostname:port
@@ -135,10 +132,13 @@ def text_to_markdown(data):
   return html_to_markdown(html)
 
 def markdown_to_html(data):
+  from markdown2 import Markdown
   markdown=Markdown()
   return markdown.convert(data)
 
 def markdown_to_text(data):
+  from markdown2 import Markdown
+  from bs4 import BeautifulSoup
   markdown=Markdown()
   html = markdown.convert(data)
   soup = BeautifulSoup(html, "html.parser")
@@ -146,11 +146,13 @@ def markdown_to_text(data):
   return plain_text
 
 def html_to_text(data, separator='\n'):
+  from bs4 import BeautifulSoup
   soup = BeautifulSoup(data, "html.parser")
   text = soup.get_text(separator)
   return text
 
 def html_to_markdown(data):
+  from html2txt import converters
   markdown = converters.Html2Markdown().convert(data)
   return markdown
 
diff --git a/notes2html.py b/notes2html.py
index 4c3b8da..d34b21e 100755
--- a/notes2html.py
+++ b/notes2html.py
@@ -163,7 +163,7 @@ def render_html(note,attachments):
           tag = ['ul','ul','ol','ul'][pstyle - 100]
           par = rval
           while indent > 0:
-            last = par.getchildren()[-1]
+            last = list(par)[-1]
             if last.tag != tag:
               break
             par = last
@@ -172,8 +172,8 @@ def render_html(note,attachments):
             par = append(par,E(tag))
             indent -= 1
           par = append(par,E('li'))
-        elif pstyle == 4 and rval.getchildren()[-1].tag == 'pre':
-          par = rval.getchildren()[-1]
+        elif pstyle == 4 and list(rval)[-1].tag == 'pre':
+          par = list(rval)[-1]
           append(par,"\n")
         else:
           par = append(rval,E(styles.get(pstyle,'p')))
diff --git a/readnotes.py b/readnotes.py
index ade4d00..5fbb63b 100755
--- a/readnotes.py
+++ b/readnotes.py
@@ -13,7 +13,7 @@
 from email.parser import BytesParser, Parser
 from email.policy import default
 
-from bs4 import BeautifulSoup
+
 
 from datetime import datetime
 from datetime import timedelta
@@ -27,7 +27,7 @@
 import common
 
 import urllib
-from biplist import *
+
 
 from notes2html import ReadAttachments, ProcessNoteBodyBlob, DefaultCss, PrintAttachments